: This is the title of the show or movie. "Dwa" means "Two" in Polish, and "Czt3r7" is a leetspeak (stylized) variation of the word "Cztery", which means "Four" in Polish. S01E15 : Season 1, Episode 15.
: Indicates that the file includes Polish audio (dubbing/lecturer) or Polish subtitles. Dwa.Czt3r7.S01E15.PL.720p.BluRay.x264-psejta3.mkv
: The video resolution is 1280x720 pixels (High Definition). : This is the title of the show or movie